2d:null 2e:["$","title",null,{"children":"Waffle Chart | Eric Lo | Observable"}] 33:T884,chart = { const svg = d3.create("svg") .style("cursor", "default") .attr("viewBox", [0, 0, width, height]); const g = svg.selectAll(".waffle") .data(waffles) .join("g") .attr("class", "waffle"); if (!whole) { const numPerRow = Math.floor(width / (waffleSize + padding.x)); g.attr("transform", (d, i) => { const r = Math.floor(i / numPerRow); const c = i - r * numPerRow; return `translate(${c * (waffleSize + padding.x)},${r * (waffleSize + padding.y)})` }); } const cellSize = scale.bandwidth(); const half = cellSize / 2; const cells = g.append("g") .selectAll(options.shape) .data(d => d) .join(options.shape) .attr("fill", d => d.index === -1 ? "#ddd" : color(d.index)); if (isRect) { cells.attr("x", d => scale(d.x)) .attr("y", d => whole ? 0 : scale(d.y)) .attr("rx", 3).attr("ry", 3) .attr("width", cellSize).attr("height", cellSize) } else { cells.attr("cx", d => scale(d.x) + half) .attr("cy", d => whole ? 0 : scale(d.y) + half) .attr("r", half); } if (whole) { cells.append("title").text(d => { const cd = chartData[d.index]; return `${cd.territory}\n${toCurrency(cd.profit)} (${cd.ratio.toFixed(1)}%)`; }); cells.transition() .duration(d => d.y * 100) .ease(d3.easeBounce) .attr(isRect ? "y" : "cy", d => scale(d.y) + (isRect ? 0 : half)); svg.transition().delay(550) .on("end", () => drawLegend(svg, cells)); } else { g.append("text") .style("font-size", 20) .style("font-weight", "bold") .attr("dy", "1.5em") .attr("text-anchor", "middle") .attr("fill", (d, i) => color(i)) .attr("transform", `translate(${waffleSize / 2},0)`) .text((d, i) => `${chartData[i].ratio.toFixed(0)}%`); g.append("g") .attr("transform", `translate(0,${waffleSize + padding.y / 2.5})`) .call(g => g.append("text").text((d, i) => chartData[i].territory)) .call(g => g.append("text").attr("dy", "1em").text((d, i) => toCurrency(chartData[i].profit))); } return svg.node(); }34:[{"id":"693fb4fbbe1ca8ee1e45dbe9db61c4a08b09da280a958fdf803d59c65c63b16db3c27c4da14011417d405ec3148779f020c75c83af7fc4df5181aeac876827a2","href":"https://static.observableusercontent.com/files/693fb4fbbe1ca8ee1e45dbe9db61c4a08b09da280a958fdf803d59c65c63b16db3c27c4da14011417d405ec3148779f020c75c83af7fc4df5181aeac876827a2","name":"pbt.csv","type":"text/csv","lastModified":1603583965429.274,"size":218}] 31:{"id":"2cecde5741cc5888","slug":"waffle-chart","title":"Waffle Chart","thumbnail":"d1796e9c69f9f8f2bb5325116b3e75c12383d1b4e93110b05d0c0a3ee073d14f","access_level":"public","create_time":"$D2020-10-24T23:55:52.216Z","update_time":"$D2021-05-20T17:31:35.594Z","view_time":null,"first_public_time":"$D2020-10-26T16:36:16.150Z","fork":false,"stars":61,"starred":false,"owner":{"type":"team","id":"4d412f762b1c1ef6","login":"analyzer2004","name":"Eric Lo","avatar_url":"https://avatars-next.observableusercontent.com/cf09c832c8e8be23605d6badd8d8ca69d2a9cd86ec415f2bec108e06014e8a1d","tier":"starter_2024"},"version":306,"publish_version":306,"role":null,"authored":false,"authors":[{"type":"individual","id":"c4f3a94f7e70150e","login":"analyzer2004","name":"Eric Lo","avatar_url":"https://avatars-next.observableusercontent.com/cf09c832c8e8be23605d6badd8d8ca69d2a9cd86ec415f2bec108e06014e8a1d","tier":null}],"members":[{"type":"individual","id":"c4f3a94f7e70150e","login":"analyzer2004","name":"Eric Lo","avatar_url":"https://avatars-next.observableusercontent.com/cf09c832c8e8be23605d6badd8d8ca69d2a9cd86ec415f2bec108e06014e8a1d","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":true,"trashed":false,"lapsed":null,"subscribed":null,"forks":67,"collection":{"id":"b0fa06a3b7dc5033","slug":"business-data-storytelling","title":"2. Charts","owner":{"id":"4d412f762b1c1ef6","login":"analyzer2004","name":"Eric Lo"}},"type":"notebook","body":{"title":"Waffle Chart","cells":[{"id":0,"value":"md`# Waffle Chart\n\nThe Waffle Chart is an attractive 10x10 grid in which each cell represents one percentage point.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":213,"value":"viewof options = form(html`

\n Style: \n Shape: \n`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":64,"value":"$33","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":278,"value":"drawLegend = (svg, cells) => {\n const legend = svg.selectAll(\".legend\")\n .data(chartData.map(d => d.territory))\n .join(\"g\") \n .attr(\"opacity\", 1)\n .attr(\"transform\", (d, i) => `translate(${waffleSize + 20},${i * 30})`)\n .on(\"mouseover\", highlight)\n .on(\"mouseout\", restore);\n\n legend.append(\"rect\")\n .attr(\"rx\", 3).attr(\"ry\", 3)\n .attr(\"width\", 30).attr(\"height\", 20)\n .attr(\"fill\", (d, i) => color(i)); \n\n legend.append(\"text\")\n .attr(\"dx\", 40)\n .attr(\"alignment-baseline\", \"hanging\")\n .text((d, i) => `${d} (${chartData[i].ratio.toFixed(1)}%)`);\n \n function highlight(e, d, restore) {\n const i = legend.nodes().indexOf(e.currentTarget);\n cells.transition().duration(500)\n .attr(\"fill\", d => d.index === i ? color(d.index) : \"#ccc\"); \n }\n \n function restore() {\n cells.transition().duration(500).attr(\"fill\", d => color(d.index))\n }\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":113,"value":"toCurrency = num => d3.format(\"$,.2f\")(num)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":56,"value":"color = d3.scaleOrdinal(d3.schemeTableau10)\n .domain(sequence(chartData.length))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":73,"value":"scale = d3.scaleBand()\n .domain(sequence(10))\n .range([0, waffleSize])\n .padding(0.1)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":190,"value":"sequence = (length) => Array.apply(null, {length: length}).map((d, i) => i);","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":18,"value":"whole = options.style === \"whole\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":249,"value":"isRect = options.shape === \"rect\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":31,"value":"chartData = {\n const data = d3.csvParse(await FileAttachment(\"pbt.csv\").text(), d3.autoType);\n const total = data.reduce((a, b) => a + Math.abs(b.profit), 0);\n return data.map(d => ({\n territory: d.territory, \n profit: d.profit, \n ratio: d.profit / total * 100\n })); \n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":20,"value":"waffles = {\n const array = [];\n if (whole) {\n const max = chartData.length; \n let index = 0, curr = 1, \n accu = Math.round(chartData[0].ratio), waffle = [];\n \n for (let y = 9; y >= 0; y--)\n for (let x = 0; x < 10; x ++) {\n if (curr > accu && index < max) {\n let r = Math.round(chartData[++index].ratio);\n while(r === 0 && index < max) r = Math.round(chartData[++index].ratio);\n accu += r;\n }\n waffle.push({x, y, index});\n curr++;\n } \n array.push(waffle);\n }\n else {\n chartData.map((d, i) => {\n let curr = 0, waffle = [];\n for (let y = 9; y >= 0; y--)\n for(let x = 0; x < 10; x ++) {\n waffle.push(({x, y, index: curr < Math.round(d.ratio) ? i : -1}));\n curr++;\n }\n array.push(waffle);\n });\n } \n return array;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":58,"value":"width = 1024","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":60,"value":"height = 600","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":70,"value":"padding = ({x: 10, y: 40})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":62,"value":"waffleSize = whole ? width < height ? width : height : 150;","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":215,"value":"import {form} from \"@mbostock/form-input\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"d3 = require(\"d3@6\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":271,"value":"md`🌐[ericlo.dev](https://ericlo.dev) 🐱[GitHub Repositories](https://github.com/analyzer2004?tab=repositories) 🐦[Twitter](https://twitter.com/analyzer2004)`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"